Alright, let's work through 8815 times 1547 step by step
8815 × 1547 = 1547 × (8815)
+ 1547 × 5 that results in 7735
+ 1547 × 10 yielding 15470
+ 1547 × 800 yielding 1237600
+ 1547 × 8000 that results in 12376000

= 13636805
